[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]
Re: more physics (short)
- To: T.L.G.vanderLinden@student.utwente.nl (Timothy van der Linden)
- Subject: Re: more physics (short)
- From: kgstar@most.fw.hac.com (Kelly Starks x7066 MS 10-39)
- Date: Tue, 4 Jun 1996 14:18:56 -0500
- Cc: KellySt@aol.com, kgstar@most.fw.hac.com, stevev@efn.org, jim@bogie2.bio.purdue.edu, zkulpa@zmit1.ippt.gov.pl, hous0042@maroon.tc.umn.edu, rddesign@wolfenet.com, David@InterWorld.com, lparker@destin.gulfnet.com, DotarSojat@aol.com, neill@foda.math.usu.edu, 101765.2200@compuserve.com, MLEN3097@Mercury.GC.PeachNet.EDU
At 9:04 PM 6/4/96, Timothy van der Linden wrote:
>>>>No the numbers were not based on an engineering output. That was supposed
>>>>to be the direct output from the reactions. Could be I misread something
>>>>and the 14E6 number was for something else (though I can't see what).
>>>
>>>I don't know, but I've been discussing this with Rex lately and he thinks
>>>that the efficiency of a DIRECT fusion engine may be low. With direct I mean
>>>that one doesn't convert the kinetic energy of the reaction products to
>>>electricity.
>>
>>Why? The velocities seem to be similar to the 'optimum' velocities in your
>>table. I thought you figured that by the time you converted the particals
>>momentum to elec, and then convert that elec back to the exaust velocity of
>>a mass it would all come out even? (Give or take a lot of tonage of power
>>equipment.)
>>
>>Please CC me if you have anything.
>
>It has to do with the fact that one needs to build up pressure in the engine
>so that all reaction products get a more or less even velocity.
>Then the particles can be directed to a "hole" (the outlet) in the engine.
>It is the question if the pressure can be build up, since a lot of the
>energy will be radiated away, we may be talking about million degrees here.
>Maybe particles can be contained but black body radiation is hard to keep in.
>This way there will probably be to much losses, therefore it may be best to
>capture that heat rightaway and turn it into electricity.
>
>Timothy
I don't follow why the presure or hole? I was figuring on the reactor
being in a parabolic charged bowel that would reflect the particals in the
general direction. (About a 20 degree cone should be good.) Otherwise
trying to contain that much power would be hard and HOT.
Kelly
----------------------------------------------------------------------
Kelly Starks Internet: kgstar@most.fw.hac.com
Sr. Systems Engineer
Magnavox Electronic Systems Company
(Magnavox URL: http://www.fw.hac.com/external.html)
----------------------------------------------------------------------